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Annotation of 43BSDReno/usr.bin/what/what.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1980, 1988 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted provided
                      6:  * that: (1) source distributions retain this entire copyright notice and
                      7:  * comment, and (2) distributions including binaries display the following
                      8:  * acknowledgement:  ``This product includes software developed by the
                      9:  * University of California, Berkeley and its contributors'' in the
                     10:  * documentation or other materials provided with the distribution and in
                     11:  * all advertising materials mentioning features or use of this software.
                     12:  * Neither the name of the University nor the names of its contributors may
                     13:  * be used to endorse or promote products derived from this software without
                     14:  * specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: char copyright[] =
                     22: "@(#) Copyright (c) 1980, 1988 Regents of the University of California.\n\
                     23:  All rights reserved.\n";
                     24: #endif /* not lint */
                     25: 
                     26: #ifndef lint
                     27: static char sccsid[] = "@(#)what.c     5.4 (Berkeley) 6/1/90";
                     28: #endif /* not lint */
                     29: 
                     30: #include <stdio.h>
                     31: 
                     32: /*
                     33:  * what
                     34:  */
                     35: /* ARGSUSED */
                     36: main(argc, argv)
                     37:        int argc;
                     38:        char **argv;
                     39: {
                     40:        if (!*++argv) 
                     41:                search();
                     42:        else do {
                     43:                if (!freopen(*argv, "r", stdin)) {
                     44:                        perror(*argv);
                     45:                        exit(1);
                     46:                }
                     47:                printf("%s\n", *argv);
                     48:                search();
                     49:        } while(*++argv);
                     50:        exit(0);
                     51: }
                     52: 
                     53: static
                     54: search()
                     55: {
                     56:        register int c;
                     57: 
                     58:        while ((c = getchar()) != EOF) {
                     59: loop:          if (c != '@')
                     60:                        continue;
                     61:                if ((c = getchar()) != '(')
                     62:                        goto loop;
                     63:                if ((c = getchar()) != '#')
                     64:                        goto loop;
                     65:                if ((c = getchar()) != ')')
                     66:                        goto loop;
                     67:                putchar('\t');
                     68:                while ((c = getchar()) != EOF && c && c != '"' &&
                     69:                    c != '>' && c != '\n')
                     70:                        putchar(c);
                     71:                putchar('\n');
                     72:        }
                     73: }

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